KSZ9021RN KSZ9031 Integrated Circuits IC Microchip Gigabit Ethernet Transceiver KSZ9021RNXCA

KSZ9021RN KSZ9031 Integrated Circuits IC Microchip Gigabit Ethernet Transceiver KSZ9021RNXCA

KSZ9021RN Integrated Circuits IC Microchip Gigabit Ethernet Transceiver KSZ9021RNXCA

KSZ9021RN  KSZ9021GN KSZ9021RNI KSZ9021GNI KSZ9021GQ KSZ9021GQI

Not Recommended for new designs.
Alternate Products:
KSZ9031

The KSZ9021 is a completely integrated triple speed (10Base-T/100Base-TX/1000Base-T) Ethernet Physical Layer Transceiver for transmission and reception of data over standard CAT-5 unshielded twisted pair (UTP) cable.

The KSZ9021Gxx provides the industry standard Gigabit Media Independent Interface/Media Independent Interface (GMII/MII) for connection to GMII/MII MACs in Gigabit Ethernet Processors and Switches for data transfer at 1000Mbps or 10/100Mbps speed. The KSZ9021Rxx provides the Reduced Gigabit Media Independent Interface (RGMII).

The KSZ9021 reduces board cost and simplifies board layout by using on-chip termination resistors for the four differential pairs and by integrating a LDO controller to drive a low cost MOSFET to supply the 1.2V core. The KSZ9021 provides diagnostic features to facilitate system bring-up and debugging in production testing and in product deployment. Parametric NAND tree support enables fault detection between KSZ9021 I/Os and board. Micrel LinkMD® TDR-based cable diagnostics permit identification of faulty copper cabling. Remote and local loopback functions provide verification of analog and digital data paths.

The KSZ9021RL is available in a 64-pin, lead-free E-LQFP package, and is offered as the KSZ9021RN in the smaller 48-pin QFN package. The KSZ9021GN is available in a 64-pin, lead-free QFN package and the KSZ9021GQ is available in a 128-pin, lead-free PQFP package.

KSZ9897 Specification:Network Interfaces IC

Environmental & Export Classifications

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